Mathematics, 20.08.2021 01:30 ella3714
Find the values of k for which the equation 3x^2+5x-k=0 has two distinct real roots.
Answers: 1
Mathematics, 21.06.2019 22:30, noathequeen
James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?
Answers: 1
Mathematics, 22.06.2019 01:50, vorhees2406
If jklm is a trapezoid, which statements must be true?
Answers: 1
Mathematics, 22.06.2019 02:30, Kategaldamez3
The volume of a spherical hot air balloon v(r) = 4 3 ? r3 changes as its radius changes. the radius is a function of time given by r(t) = 3t. find the instantaneous rate of change of the volume with respect to t at t = 2.
Answers: 3
Mathematics, 22.06.2019 04:30, RichardKing2376
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t. inv.2t to find the value of t for the interval calculation.
Answers: 1
Find the values of k for which the equation 3x^2+5x-k=0 has two distinct real roots....